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The Kernel 6.18.33 now has an upstream fix for the fragnesia vulnerability
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This fixes the LPE https://github.com/0xdeadbeefnetwork/ssh-keysign-pwn
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that allows unprivileged users to read files owned by any other user
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Fragnesia is a universal Linux local privilege escalation exploit, discovered
with V12 by William Bowling with the V12 team. Fragnesia is a member of the
Dirty Frag vulnerability class. This is a separate bug in the ESP/XFRM from
dirtyfrag which has received its own patch. However, it is in the same surface
and the mitigation is the same as for dirtyfrag.
It abuses a logic bug in the Linux XFRM ESP-in-TCP subsystem to achieve
arbitrary byte writes into the kernel page cache of read-only files, without
requiring any race condition.
The technique extends the page-cache write bug class that includes Dirty Pipe:
when a TCP socket transitions to espintcp ULP mode after data has already been
spliced from a file into the receive queue, the kernel processes the queued
file pages as ESP ciphertext. The AES-GCM keystream byte at counter block
position 2, byte 0 is XORed directly into the cached file page. By selecting
the IV nonce to produce a desired keystream byte, any target byte in the file
can be set to any value — one byte per trigger invocation.
From: https://github.com/v12-security/pocs/blob/532994fc003a7/fragnesia/README.md
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The Intel iavf driver (formerly i40evf) is the Linux virtual function driver
for modern Intel Ethernet adapters supporting SR-IOV, including the X700/E800
series.
Renamed to iavf to support future devices, it replaced i40evf entirely by 2019.
The driver facilitates high-performance networking in virtualized environments.
This commit contains custom patches to make the driver build.
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The current version of the Intel ice driver does not compile with a recent
LTS Kernel due to missing internal Kernel API adjustments in the Intel driver.
This commit contains custom patches to make the driver build.
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The current version of the Intel i40e driver does not compile with a recent
LTS Kernel due to missing internal Kernel API adjustments in the Intel driver.
This commit contains custom patches to make the driver build.
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* Forwared port all out-of-tree driver patches
* Add Intel QAT patch to make it compile for LInux 6.18
* Remove out-of-tree OpenVPN DCO module - now available upstream
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The inotify support for overlayfs is no longer needed. Native upstream support
landed in kernel 4.16 (commit 31747eda41ef/764baba80168 in 2018, which made
overlayfs hash inodes by their lower inode so fsnotify works on overlay mounts),
and kernel 6.8 (commit bc2473c90fca in 2023) extended it so fsnotify generates
events for operations on the real underlying files of an overlay.
The patch was an out-of-tree workaround that never went upstream and predates
these solutions.
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The custom patch "nft_ct: Added nfct_seqadj_ext_add() for DNAT'ed - conntrack."
is now available upstream in the Kernel tree.
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Kernel: T8203: Update Linux Kernel to 6.6.121
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Switch to https://github.com/nuclearcat/ipt-netflow as it has up-to-date
kernel support.
Remove outdated patches.
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The patch adds seqadj initialization for NATed conntrack.
This fixes access to FTP servers "behind" the NAT router.
The patch itself was proposed to the kernel and was accepted.
In future versions it should be included into the kernel.
Signed-off-by: Andrii Melnychenko <a.melnychenko@vyos.io>
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Add missing libraries to the linux‑perf package: libpfm4, libslang2, libtraceevent1.
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T7843: Remove accel-ppp form the packages
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Remove the `accel-ppp` from the packages, as we migrated to the
`accel-ppp-ng` and do not need it anymore.
Remove build scripts and patches.
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* 0004-Change-aggregation-parameter-mode-400-444.patch:
Tests need to read 'aggregation' parameter. All other parameters have
modes 444 or 644. Change mode of 'aggregation' 400 -> 444
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Kernel: T5887: update Linux Kernel to v6.6.103
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* add --enable-direction as requested
* Fix output of `cat /proc/net/stat/ipt_netflow_flows`:
previously if no VLAN, there was no output and table
columns were shifted when parsed.
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Enable sampler, MAC address and VLAN recording.
For this to work two patches are needed:
* 0001-Fix-prandom_u32-_max-get_random_u32-_below: fix
interface updates for random numbers, took fix from
https://github.com/aabc/ipt-netflow/commit/0c5759d002131ac3ae161713f4ce0d515037c1de
* 0002-Fix-lu-llu-where-64bit: Fix lu -> llu for 64-bit fields
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T4409: Fix Framed-Route with attr Accel-VRF-Name
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Previous patch was removed during VyOS 1.3 -> 1.4 development cycle as the
internal handling for Kernel package generation changed.
This brings back the perf binary in a new linux-perf-$KERNELVERSION
Debian package.
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* Add 0002-Radius-Dns-Server-IPv6-Address.patch
This adds the ability to pull IPv6 DNS servers from the radius response not just hard coded in the config file
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If you use attribute Accel-VRF-Name we are expecting a
route in a specific VRF, the cuurent implementation
set the Framed-Route/Framed-IPv6-Route to the default VRf (no VRF)
Fixes this, so routes are installed in the proper VRF name
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Add build scripts for .deb packages without Jenkins.
To exclude Jenkins we need some place where we can put new builds-scripts
to run in parallel (old/new) during meantime
We will deprecate old Jenkins package builds in the future.
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